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Ovum Philosophicum
Operations instruments and practitioners · A Chymical Dictionary
At a Glance
The word. An egg-shaped glass vessel for philosophical operations.
In the book. Pelicanus supplies another vessel name, defined through circulation, while Pyramis is defined through a pyramidal form.
A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 37; facsimile PDF page 365.
Historical Definition
Ovum Philosophicum is an egg-shaped glass used by philosophers in their operations.
Meaning
The name is explained through the vessel’s form. The glass is shaped like an egg; the definition does not identify a biological egg as the material of the operation.
Use in the Book
Pelicanus supplies another vessel name, defined through circulation, while Pyramis is defined through a pyramidal form. The comparisons distinguish a shape, an operative role and another shape without requiring a single standard vessel design.
Places to Read
Pelicanus. A vessel defined through circulation.
Phiala. A glass bottle or vial.
Pyramis. A vessel identified through its pyramidal form.
In This Edition
The egg image is grounded in the explicit description. Further symbolic readings would need a particular author’s passage; they are not established by this brief instrument gloss alone.
Historical source: 1650 dictionary, unnumbered definition page 37; facsimile PDF page 365 — Facsimile
See also. Pelicanus; Phiala; Pyramis; Cœlum Spagiricum